Answer:
Observational study
Explanation:
An observational study is a type of study in which individuals are observed and certain measures are measured but there's no intend to affect the actual outcome. In other words, no treatment is given to the individuals and there's no intervention done by the researcher.
In this example, the study aims to evaluate the percent of adults whose right cerebral hemisphere is larger than the right hemisphere. 20 people come and have their brains scanned. Then, the scan is analyzed to identify which hemisphere is larger.
In this study, we can see how <u>individual's brains were observed and some measures were taken but there was no treatment given to them</u> (the researchers were only interested in knowing which hemisphere was bigger).
Thus, this is an example of observational study.
Patricia Robertson is interested in seeing the intended
choices of the voters because she is running for Congress from the 6th
District in her state. In this case, is study’s population is constituted by
all the registered voters in her district.
To add, using of statistics to analyze
characteristics or changes to a population is called
population statistics. Analyzing anything from changes to local small-scale
changes to global demographic changes is also a job done by population
statistics. A scenario that shows this is the analysis of the global changes
that exhibits that the population growth has slowed, declination of infant mortality
rates and the small increase in the aged.
Answer:
increase in production and less fatigue
Answer: Candidate
Explanation: Anyone running for office is a candidate